body {
    margin: 0px;
    background: gray;
    background-size: 100% 100%;
}

h2 {
    text-align: center;
}

#content {
    margin: 60px auto;
    background-color: #FFFFFF;
    width: 880px;
    padding: 40px 20px;

}

#menu {
    margin: 0 auto;
    padding: 0 62px;
    font-family: "华文细黑";
    font-size: 17px;
}

.item_submit {
    cursor: pointer;
    background-color: #6fc2ff;
    width: 84px;
    height: 35px;
    font-size: 15px;
    color: white;
    border-radius: 10px;
    display: block;
    margin: 0 auto;
}

.item_submit:hover {
    background: #53d1ff;
}

#one {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#one-radio:hover {
    background: #dcdcdc;
}

#two {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#three {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#four {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#five {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#six {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#seven {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#eight {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#nine {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}

#ten {
    padding-left: 35px;
    margin: 10px 10px 15px 1px;
    cursor: pointer;
}